﻿
#region Copyright & License
// --------------------------
// Copyright 2008 Daniel Gray
// --------------------------
// This file is part of Kale.
//
// Kale is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Kale is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with Kale.  If not, see <http://www.gnu.org/licenses/>.
#endregion
#region File details
// --------------------------------------------------------
// Filename          : BaseSqlProvider.cs
// Author            : Daniel Gray
// Created           : 05/05/2008
// --------------------------------------------------------
#endregion
            
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Kale.Core.Configuration;

namespace Kale.Db.Sql
{
   public abstract class BaseSqlProvider
   {
      private string _connectionString;

      protected void LoadSqlConfigurationValuesFromDictionary(Dictionary<string, string> configurationDictionary)
      {
         if (!configurationDictionary.ContainsKey("connectionString")) throw CreateMissingConfigurationValueException("connectionString");

         _connectionString = configurationDictionary["connectionString"];
      }

      #region Static members

      /// <summary>
      /// Creates a MissingConfigurationValueException for the specified configuration name.
      /// </summary>
      /// <param name="configurationName">Name of the configuration value that was missing.</param>
      /// <returns></returns>
      protected static MissingConfigurationValueException CreateMissingConfigurationValueException(string configurationName)
      {
         return new MissingConfigurationValueException(string.Format("Missing configuration value {0}", configurationName));
      }

      #endregion

      /// <summary>
      /// Gets the data context.
      /// </summary>
      /// <value>The data context.</value>
      protected KaleModelDataContext GetContext()
      {
         return new KaleModelDataContext(_connectionString);
      }
   }
}
